LM2594M-3.3

{
  "slug": "lm2594m-3-3",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2594m-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2594m-3-3.kicad_sym",
    "lm2594m-3-3.kicad_mod",
    "lm2594m-3-3.glb",
    "lm2594m-3-3.step",
    "lm2594m-3-3.lbr",
    "docs/hero.png",
    "docs/lm2594m-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2594m-3-3-hero.glb",
    "lm2594m-3-3-hero.overlay.json",
    "lm2594m-3-3-etched.glb"
  ],
  "component": {
    "mpn": "LM2594M-3.3",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755852903586107392",
    "parts": {
      "symbol": "lm2594m-3-3.kicad_sym",
      "footprint": "lm2594m-3-3.kicad_mod",
      "model_3d": "lm2594m-3-3-hero.glb",
      "model_3d_plain": "lm2594m-3-3-etched.glb",
      "model_3d_step": "lm2594m-3-3-etched.step",
      "model_3d_step_plain": "lm2594m-3-3.step",
      "lbr": "lm2594m-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C316691"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:21:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No function; this pin is a no-function (NC) pin per the datasheet pin table."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No function; this pin is a no-function (NC) pin per the datasheet pin table."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No function; this pin is a no-function (NC) pin per the datasheet pin table."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback pin that monitors the output voltage through a resistor divider network and regulates it, with a feedback threshold voltage of 1.23V."
      },
      {
        "number": "5",
        "name": "ON_OFF",
        "type": "input",
        "description": "Enable/shutdown pin: a high level shuts the chip off and a low level enables it, with thresholds of 1.4V (high, control off) and 0.8V (low, control on), and the pin defaults to low when floating."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that should be routed on the ground return path away from the Schottky diode output point to keep switching-current spike noise out of the regulator."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input that requires a DC supply of 4.5V to 40V (60V for the HV versions), with a large-value capacitor connected between VIN and ground to suppress supply noise."
      },
      {
        "number": "8",
        "name": "OUTPUT",
        "type": "output",
        "description": "Power switch output pin that is the switching node supplying the output load."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet labels FEEDBACK as I/O; I classified it as input because it senses the output voltage.; The datasheet's Chinese text for ON_OFF is partly garbled by OCR ('施加地位' is likely '施加低位'); the desc; The pin table on page 5 covers both SOP-8 and ESOP-8, which share this pinout. The MPN LM2594M-3.3/T"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0542,
        "at": "2026-10-17T14:19:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755852903586107392",
        "pages": 12,
        "sha256": "373bc39e42880ae7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2594m-3-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2594m-3-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "45c91d8e515b28b63dbd233616cb6ccaa3f77475f81849c0e4945ade16d50b0c",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}